How much do solar panels cost in Louisiana in 2025?
Getting solar installed in February, 2025 in Louisiana averages out to $3.64/W.
So, solar panel installations will cost you $3,640 per 1 kW (or 1000watts) of generation capacity. When you subtract the 30% federal tax credit, you can expect to pay around $12,740 for a 5 kW solar system in Louisiana. Your energy consumption levels may need a larger system.
To the left, you can choose your county to view the average roof size and the average maximum production capacity for residential solar on houses in your area. Below is a full overview of the costs, payback period, and 20-year average savings for a 5 kW system in your county.